package org.rabbitmq.one;

import com.rabbitmq.client.*;

public class Consumer {

    private final static String QUEUE_NAME = "hello";

    public static void main(String[] args) throws Exception {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("192.168.98.128");
        factory.setPort(5672);
        factory.setUsername("admin");
        factory.setPassword("123");

        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        System.out.println("等待接收消息");

        // 推送的消费如何进行消费的接口回调
        DeliverCallback deliverCallback = (consumerTag, message) -> {
            String body = new String(message.getBody());
            System.out.println(body);
        };

        // 取消消费的回调，如在消费的时候，队列被删掉了
        CancelCallback cancelCallback = (consumerTag) -> System.out.println("消息消费被中断");

        /**
         * 消费者消费消息
         * 1. 消费那个队列
         * 2. 消费成功之后是否要自动应答，true：代表自动应答；false：手动应答
         * 3. 消费者未成功消费的回调
         */
        channel.basicConsume(QUEUE_NAME, true, deliverCallback, cancelCallback);
    }
}
